155190416 has 20 divisors (see below), whose sum is σ = 318369132. Its totient is φ = 73030656.

The previous prime is 155190403. The next prime is 155190419. The reversal of 155190416 is 614091551.

It can be written as a sum of positive squares in 2 ways, for example, as 132342016 + 22848400 = 11504^2 + 4780^2 .

It is not an unprimeable number, because it can be changed into a prime (155190419) 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, 285005 + ... + 285548.

Almost surely, 2^155190416 is an apocalyptic number.

155190416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155190416 is an abundant number, since it is smaller than the sum of its proper divisors (163178716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155190416 is a wasteful number, since it uses less digits than its factorization.

155190416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570578 (or 570572 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 155190416 is about 12457.5445413613. The cubic root of 155190416 is about 537.3884142619.

The spelling of 155190416 in words is "one hundred fifty-five million, one hundred ninety thousand, four hundred sixteen".