145240624 has 10 divisors (see below), whose sum is σ = 281403740. Its totient is φ = 72620304.

The previous prime is 145240619. The next prime is 145240637. The reversal of 145240624 is 426042541.

It is a junction number, because it is equal to n+sod(n) for n = 145240592 and 145240601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4538754 + ... + 4538785.

It is an arithmetic number, because the mean of its divisors is an integer number (28140374).

Almost surely, 2^145240624 is an apocalyptic number.

It is an amenable number.

145240624 is a deficient number, since it is larger than the sum of its proper divisors (136163116).

145240624 is an equidigital number, since it uses as much as digits as its factorization.

145240624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077547 (or 9077541 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 145240624 is about 12051.5818048918. The cubic root of 145240624 is about 525.6492333878.

The spelling of 145240624 in words is "one hundred forty-five million, two hundred forty thousand, six hundred twenty-four".