145652544 has 42 divisors (see below), whose sum is σ = 417488370. Its totient is φ = 48550656.

The previous prime is 145652543. The next prime is 145652561. The reversal of 145652544 is 445256541.

145652544 is a `hidden beast` number, since 14 + 56 + 52 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138297600 + 7354944 = 11760^2 + 2712^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 145652499 and 145652508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145652543) 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, 125859 + ... + 127010.

Almost surely, 2^145652544 is an apocalyptic number.

It is an amenable number.

145652544 is an abundant number, since it is smaller than the sum of its proper divisors (271835826).

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

145652544 is a wasteful number, since it uses less digits than its factorization.

145652544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252887 (or 252874 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 145652544 is about 12068.6595776002. The cubic root of 145652544 is about 526.1456993001.

The spelling of 145652544 in words is "one hundred forty-five million, six hundred fifty-two thousand, five hundred forty-four".