145626501420 has 36 divisors (see below), whose sum is σ = 441733721520. Its totient is φ = 38833733664.

The previous prime is 145626501409. The next prime is 145626501421. The reversal of 145626501420 is 24105626541.

145626501420 is a `hidden beast` number, since 1 + 4 + 5 + 626 + 5 + 0 + 1 + 4 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (145626501421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404517880 + ... + 404518239.

Almost surely, 2^145626501420 is an apocalyptic number.

145626501420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145626501420 is an abundant number, since it is smaller than the sum of its proper divisors (296107220100).

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

145626501420 is a wasteful number, since it uses less digits than its factorization.

145626501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809036134 (or 809036129 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 145626501420 in words is "one hundred forty-five billion, six hundred twenty-six million, five hundred one thousand, four hundred twenty".