145006620 has 48 divisors (see below), whose sum is σ = 442931328. Its totient is φ = 35152960.

The previous prime is 145006619. The next prime is 145006639. The reversal of 145006620 is 26600541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109194 + ... + 110513.

It is an arithmetic number, because the mean of its divisors is an integer number (9227736).

Almost surely, 2^145006620 is an apocalyptic number.

145006620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145006620 is an abundant number, since it is smaller than the sum of its proper divisors (297924708).

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

145006620 is a wasteful number, since it uses less digits than its factorization.

145006620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219730 (or 219728 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 145006620 is about 12041.8694561933. The cubic root of 145006620 is about 525.3667822430.

The spelling of 145006620 in words is "one hundred forty-five million, six thousand, six hundred twenty".