1522138425245 has 16 divisors (see below), whose sum is σ = 1935637769520. Its totient is φ = 1147044595200.

The previous prime is 1522138425239. The next prime is 1522138425251. The reversal of 1522138425245 is 5425248312251.

It is an interprime number because it is at equal distance from previous prime (1522138425239) and next prime (1522138425251).

It can be written as a sum of positive squares in 8 ways, for example, as 152538675844 + 1369599749401 = 390562^2 + 1170299^2 .

It is not a de Polignac number, because 1522138425245 - 2¹² = 1522138421149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1522138425196 and 1522138425205.

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, 128012426 + ... + 128024315.

It is an arithmetic number, because the mean of its divisors is an integer number (120977360595).

Almost surely, 2^{1522138425245} is an apocalyptic number.

It is an amenable number.

1522138425245 is a deficient number, since it is larger than the sum of its proper divisors (413499344275).

1522138425245 is a wasteful number, since it uses less digits than its factorization.

1522138425245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256036816.

The product of its digits is 768000, while the sum is 44.

The spelling of 1522138425245 in words is "one trillion, five hundred twenty-two billion, one hundred thirty-eight million, four hundred twenty-five thousand, two hundred forty-five".