145402153020 has 72 divisors (see below), whose sum is σ = 460229436576. Its totient is φ = 37088084352.

The previous prime is 145402153007. The next prime is 145402153069. The reversal of 145402153020 is 20351204541.

145402153020 is a `hidden beast` number, since 145 + 4 + 0 + 215 + 302 + 0 = 666.

It is a super-2 number, since 2×145402153020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17556507 + ... + 17564786.

It is an arithmetic number, because the mean of its divisors is an integer number (6392075508).

Almost surely, 2^145402153020 is an apocalyptic number.

145402153020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145402153020 is an abundant number, since it is smaller than the sum of its proper divisors (314827283556).

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

145402153020 is a wasteful number, since it uses less digits than its factorization.

145402153020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35121331 (or 35121326 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 145402153020 its reverse (20351204541), we get a palindrome (165753357561).

The spelling of 145402153020 in words is "one hundred forty-five billion, four hundred two million, one hundred fifty-three thousand, twenty".