145654986 has 16 divisors (see below), whose sum is σ = 294998400. Its totient is φ = 47936928.

The previous prime is 145654981. The next prime is 145654987. The reversal of 145654986 is 689456541.

It is not an unprimeable number, because it can be changed into a prime (145654981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153171 + ... + 154118.

It is an arithmetic number, because the mean of its divisors is an integer number (18437400).

Almost surely, 2^145654986 is an apocalyptic number.

145654986 is an abundant number, since it is smaller than the sum of its proper divisors (149343414).

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

145654986 is a wasteful number, since it uses less digits than its factorization.

145654986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307373.

The product of its digits is 1036800, while the sum is 48.

The square root of 145654986 is about 12068.7607483121. The cubic root of 145654986 is about 526.1486397239.

The spelling of 145654986 in words is "one hundred forty-five million, six hundred fifty-four thousand, nine hundred eighty-six".