155232052 has 24 divisors (see below), whose sum is σ = 287047040. Its totient is φ = 73249920.

The previous prime is 155232043. The next prime is 155232061. The reversal of 155232052 is 250232551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155232043) and next prime (155232061).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16828 + ... + 24364.

Almost surely, 2^155232052 is an apocalyptic number.

It is an amenable number.

155232052 is a deficient number, since it is larger than the sum of its proper divisors (131814988).

155232052 is a wasteful number, since it uses less digits than its factorization.

155232052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831 (or 7829 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 155232052 is about 12459.2155451296. The cubic root of 155232052 is about 537.4364685682.

The spelling of 155232052 in words is "one hundred fifty-five million, two hundred thirty-two thousand, fifty-two".