155074468 has 6 divisors (see below), whose sum is σ = 271380326. Its totient is φ = 77537232.

The previous prime is 155074463. The next prime is 155074471. The reversal of 155074468 is 864470551.

It can be written as a sum of positive squares in only one way, i.e., 130690624 + 24383844 = 11432^2 + 4938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155074468.

It is not an unprimeable number, because it can be changed into a prime (155074463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19384305 + ... + 19384312.

Almost surely, 2^155074468 is an apocalyptic number.

It is an amenable number.

155074468 is a deficient number, since it is larger than the sum of its proper divisors (116305858).

155074468 is a wasteful number, since it uses less digits than its factorization.

155074468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38768621 (or 38768619 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 155074468 is about 12452.8899457114. The cubic root of 155074468 is about 537.2545472409.

The spelling of 155074468 in words is "one hundred fifty-five million, seventy-four thousand, four hundred sixty-eight".