155468045 has 4 divisors (see below), whose sum is σ = 186561660. Its totient is φ = 124374432.

The previous prime is 155468041. The next prime is 155468059. The reversal of 155468045 is 540864551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540864551 = 193 ⋅2802407.

It can be written as a sum of positive squares in 2 ways, for example, as 81198121 + 74269924 = 9011^2 + 8618^2 .

It is a cyclic number.

It is not a de Polignac number, because 155468045 - 2² = 155468041 is a prime.

It is a super-2 number, since 2×155468045² = 48340626032244050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155468041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15546800 + ... + 15546809.

It is an arithmetic number, because the mean of its divisors is an integer number (46640415).

Almost surely, 2^155468045 is an apocalyptic number.

It is an amenable number.

155468045 is a deficient number, since it is larger than the sum of its proper divisors (31093615).

155468045 is an equidigital number, since it uses as much as digits as its factorization.

155468045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31093614.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 155468045 is about 12468.6825687400. The cubic root of 155468045 is about 537.7086783019.

The spelling of 155468045 in words is "one hundred fifty-five million, four hundred sixty-eight thousand, forty-five".