155061332 has 6 divisors (see below), whose sum is σ = 271357338. Its totient is φ = 77530664.

The previous prime is 155061317. The next prime is 155061341. The reversal of 155061332 is 233160551.

It can be written as a sum of positive squares in only one way, i.e., 154604356 + 456976 = 12434^2 + 676^2 .

It is a super-2 number, since 2×155061332² = 48088033363228448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382663 + ... + 19382670.

It is an arithmetic number, because the mean of its divisors is an integer number (45226223).

Almost surely, 2^155061332 is an apocalyptic number.

It is an amenable number.

155061332 is a deficient number, since it is larger than the sum of its proper divisors (116296006).

155061332 is a wasteful number, since it uses less digits than its factorization.

155061332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38765337 (or 38765335 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 155061332 is about 12452.3625067695. The cubic root of 155061332 is about 537.2393769486.

The spelling of 155061332 in words is "one hundred fifty-five million, sixty-one thousand, three hundred thirty-two".