145422546525 has 36 divisors (see below), whose sum is σ = 262456296960. Its totient is φ = 76966624800.

The previous prime is 145422546517. The next prime is 145422546587. The reversal of 145422546525 is 525645224541.

145422546525 is a `hidden beast` number, since 1 + 4 + 54 + 2 + 2 + 546 + 52 + 5 = 666.

It is not a de Polignac number, because 145422546525 - 2³ = 145422546517 is a prime.

It is a super-2 number, since 2×145422546525² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2437405 + ... + 2496354.

Almost surely, 2^145422546525 is an apocalyptic number.

145422546525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145422546525 is a deficient number, since it is larger than the sum of its proper divisors (117033750435).

145422546525 is a wasteful number, since it uses less digits than its factorization.

145422546525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933906 (or 4933898 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 145422546525 in words is "one hundred forty-five billion, four hundred twenty-two million, five hundred forty-six thousand, five hundred twenty-five".