154652525213531 has 4 divisors (see below), whose sum is σ = 154652817525912. Its totient is φ = 154652232901152.

The previous prime is 154652525213509. The next prime is 154652525213539. The reversal of 154652525213531 is 135312525256451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154652525213531 is a prime.

It is a super-2 number, since 2×154652525213531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154652525213531.

It is not an unprimeable number, because it can be changed into a prime (154652525213539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145361150 + ... + 146421203.

It is an arithmetic number, because the mean of its divisors is an integer number (38663204381478).

Almost surely, 2^{154652525213531} is an apocalyptic number.

154652525213531 is a deficient number, since it is larger than the sum of its proper divisors (292312381).

154652525213531 is an equidigital number, since it uses as much as digits as its factorization.

154652525213531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292312380.

The product of its digits is 5400000, while the sum is 50.

The spelling of 154652525213531 in words is "one hundred fifty-four trillion, six hundred fifty-two billion, five hundred twenty-five million, two hundred thirteen thousand, five hundred thirty-one".