145864632 has 16 divisors (see below), whose sum is σ = 364661640. Its totient is φ = 48621536.

The previous prime is 145864627. The next prime is 145864633. The reversal of 145864632 is 236468541.

It is a super-3 number, since 3×145864632³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145864633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038823 + ... + 3038870.

Almost surely, 2^145864632 is an apocalyptic number.

145864632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145864632 is an abundant number, since it is smaller than the sum of its proper divisors (218797008).

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

145864632 is a wasteful number, since it uses less digits than its factorization.

145864632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077702 (or 6077698 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 145864632 is about 12077.4431068832. The cubic root of 145864632 is about 526.4009530413.

The spelling of 145864632 in words is "one hundred forty-five million, eight hundred sixty-four thousand, six hundred thirty-two".