155450984 has 32 divisors (see below), whose sum is σ = 314685000. Its totient is φ = 71565312.

The previous prime is 155450969. The next prime is 155450993. The reversal of 155450984 is 489054551.

It can be written as a sum of positive squares in 4 ways, for example, as 107702884 + 47748100 = 10378^2 + 6910^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45032 + ... + 48360.

Almost surely, 2^155450984 is an apocalyptic number.

It is an amenable number.

155450984 is an abundant number, since it is smaller than the sum of its proper divisors (159234016).

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

155450984 is a wasteful number, since it uses less digits than its factorization.

155450984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 155450984 is about 12467.9983958934. The cubic root of 155450984 is about 537.6890082718.

The spelling of 155450984 in words is "one hundred fifty-five million, four hundred fifty thousand, nine hundred eighty-four".