155465442 has 48 divisors (see below), whose sum is σ = 389087712. Its totient is φ = 44338560.

The previous prime is 155465407. The next prime is 155465449. The reversal of 155465442 is 244564551.

155465442 is a `hidden beast` number, since 1 + 554 + 65 + 4 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 155465397 and 155465406.

It is not an unprimeable number, because it can be changed into a prime (155465449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19728 + ... + 26459.

It is an arithmetic number, because the mean of its divisors is an integer number (8105994).

Almost surely, 2^155465442 is an apocalyptic number.

155465442 is an abundant number, since it is smaller than the sum of its proper divisors (233622270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155465442 is a wasteful number, since it uses less digits than its factorization.

155465442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46223 (or 46220 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 155465442 is about 12468.5781867862. The cubic root of 155465442 is about 537.7056773347.

The spelling of 155465442 in words is "one hundred fifty-five million, four hundred sixty-five thousand, four hundred forty-two".