155245616 has 10 divisors (see below), whose sum is σ = 300788412. Its totient is φ = 77622800.

The previous prime is 155245591. The next prime is 155245627. The reversal of 155245616 is 616542551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4851410 + ... + 4851441.

Almost surely, 2^155245616 is an apocalyptic number.

155245616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155245616 is a deficient number, since it is larger than the sum of its proper divisors (145542796).

155245616 is an equidigital number, since it uses as much as digits as its factorization.

155245616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702859 (or 9702853 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 155245616 is about 12459.7598692752. The cubic root of 155245616 is about 537.4521216412.

The spelling of 155245616 in words is "one hundred fifty-five million, two hundred forty-five thousand, six hundred sixteen".