155064243 has 8 divisors (see below), whose sum is σ = 207522000. Its totient is φ = 102991328.

The previous prime is 155064223. The next prime is 155064253. The reversal of 155064243 is 342460551.

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 155064243 - 2⁶ = 155064179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155064243.

It is not an unprimeable number, because it can be changed into a prime (155064223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95268 + ... + 96881.

It is an arithmetic number, because the mean of its divisors is an integer number (25940250).

Almost surely, 2^155064243 is an apocalyptic number.

155064243 is a deficient number, since it is larger than the sum of its proper divisors (52457757).

155064243 is a wasteful number, since it uses less digits than its factorization.

155064243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192421.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 155064243 is about 12452.4793916714. The cubic root of 155064243 is about 537.2427388313.

The spelling of 155064243 in words is "one hundred fifty-five million, sixty-four thousand, two hundred forty-three".