155242616 has 16 divisors (see below), whose sum is σ = 306400200. Its totient is φ = 73535904.

The previous prime is 155242601. The next prime is 155242627. The reversal of 155242616 is 616242551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510515 + ... + 510818.

Almost surely, 2^155242616 is an apocalyptic number.

It is an amenable number.

155242616 is a deficient number, since it is larger than the sum of its proper divisors (151157584).

155242616 is a wasteful number, since it uses less digits than its factorization.

155242616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021358 (or 1021354 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 155242616 is about 12459.6394811407. The cubic root of 155242616 is about 537.4486596717.

The spelling of 155242616 in words is "one hundred fifty-five million, two hundred forty-two thousand, six hundred sixteen".