145624421270 has 32 divisors (see below), whose sum is σ = 271596356640. Its totient is φ = 56182048000.

The previous prime is 145624421269. The next prime is 145624421297. The reversal of 145624421270 is 72124426541.

145624421270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2297231 + ... + 2359770.

It is an arithmetic number, because the mean of its divisors is an integer number (8487386145).

Almost surely, 2^145624421270 is an apocalyptic number.

145624421270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145624421270 is a deficient number, since it is larger than the sum of its proper divisors (125971935370).

145624421270 is a wasteful number, since it uses less digits than its factorization.

145624421270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657120.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 145624421270 in words is "one hundred forty-five billion, six hundred twenty-four million, four hundred twenty-one thousand, two hundred seventy".