145636632 has 24 divisors (see below), whose sum is σ = 394432740. Its totient is φ = 48545520.

The previous prime is 145636609. The next prime is 145636639. The reversal of 145636632 is 236636541.

145636632 is a `hidden beast` number, since 1 + 4 + 563 + 66 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145636639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011294 + ... + 1011437.

Almost surely, 2^145636632 is an apocalyptic number.

145636632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145636632 is an abundant number, since it is smaller than the sum of its proper divisors (248796108).

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

145636632 is a wasteful number, since it uses less digits than its factorization.

145636632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022743 (or 2022736 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 145636632 is about 12068.0003314551. Note that the first 3 decimals coincide. The cubic root of 145636632 is about 526.1265387805.

Subtracting 145636632 from its reverse (236636541), we obtain a palindrome (90999909).

The spelling of 145636632 in words is "one hundred forty-five million, six hundred thirty-six thousand, six hundred thirty-two".