155001284 has 12 divisors (see below), whose sum is σ = 275301264. Its totient is φ = 76343784.

The previous prime is 155001277. The next prime is 155001293. The reversal of 155001284 is 482100551.

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, 288914 + ... + 289449.

It is an arithmetic number, because the mean of its divisors is an integer number (22941772).

Almost surely, 2^155001284 is an apocalyptic number.

It is an amenable number.

155001284 is a deficient number, since it is larger than the sum of its proper divisors (120299980).

155001284 is a wasteful number, since it uses less digits than its factorization.

155001284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578434 (or 578432 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 155001284 is about 12449.9511645629. The cubic root of 155001284 is about 537.1700187687.

The spelling of 155001284 in words is "one hundred fifty-five million, one thousand, two hundred eighty-four".