145461545 has 8 divisors (see below), whose sum is σ = 182143296. Its totient is φ = 111309616.

The previous prime is 145461539. The next prime is 145461557. The reversal of 145461545 is 545164541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145461545 - 2⁴ = 145461529 is a prime.

It is a super-2 number, since 2×145461545² = 42318122147574050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632327 + ... + 632556.

It is an arithmetic number, because the mean of its divisors is an integer number (22767912).

Almost surely, 2^145461545 is an apocalyptic number.

It is an amenable number.

145461545 is a deficient number, since it is larger than the sum of its proper divisors (36681751).

145461545 is a wasteful number, since it uses less digits than its factorization.

145461545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264911.

The product of its digits is 48000, while the sum is 35.

The square root of 145461545 is about 12060.7439654443. The cubic root of 145461545 is about 525.9156146104.

The spelling of 145461545 in words is "one hundred forty-five million, four hundred sixty-one thousand, five hundred forty-five".