155374538 has 8 divisors (see below), whose sum is σ = 254249280. Its totient is φ = 70624780.

The previous prime is 155374529. The next prime is 155374559. The reversal of 155374538 is 835473551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155374495 and 155374504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531218 + ... + 3531261.

It is an arithmetic number, because the mean of its divisors is an integer number (31781160).

Almost surely, 2^155374538 is an apocalyptic number.

155374538 is a deficient number, since it is larger than the sum of its proper divisors (98874742).

155374538 is a wasteful number, since it uses less digits than its factorization.

155374538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062492.

The product of its digits is 252000, while the sum is 41.

The square root of 155374538 is about 12464.9323303418. The cubic root of 155374538 is about 537.6008541956.

The spelling of 155374538 in words is "one hundred fifty-five million, three hundred seventy-four thousand, five hundred thirty-eight".