155550452 has 12 divisors (see below), whose sum is σ = 274172640. Its totient is φ = 77215416.

The previous prime is 155550413. The next prime is 155550457. The reversal of 155550452 is 254055551.

155550452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×155550452⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155550457) 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, 139328 + ... + 140439.

It is an arithmetic number, because the mean of its divisors is an integer number (22847720).

Almost surely, 2^155550452 is an apocalyptic number.

It is an amenable number.

155550452 is a deficient number, since it is larger than the sum of its proper divisors (118622188).

155550452 is a wasteful number, since it uses less digits than its factorization.

155550452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279910 (or 279908 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 155550452 is about 12471.9866901789. The cubic root of 155550452 is about 537.8036670229.

The spelling of 155550452 in words is "one hundred fifty-five million, five hundred fifty thousand, four hundred fifty-two".