145515486 has 32 divisors (see below), whose sum is σ = 295344000. Its totient is φ = 47792160.

The previous prime is 145515449. The next prime is 145515497. The reversal of 145515486 is 684515541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123681 + ... + 124851.

It is an arithmetic number, because the mean of its divisors is an integer number (9229500).

Almost surely, 2^145515486 is an apocalyptic number.

145515486 is an abundant number, since it is smaller than the sum of its proper divisors (149828514).

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

145515486 is a wasteful number, since it uses less digits than its factorization.

145515486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its digits is 96000, while the sum is 39.

The square root of 145515486 is about 12062.9799800878. The cubic root of 145515486 is about 525.9806143973.

The spelling of 145515486 in words is "one hundred forty-five million, five hundred fifteen thousand, four hundred eighty-six".