158045207402 has 48 divisors (see below), whose sum is σ = 262007754840. Its totient is φ = 71168434176.

The previous prime is 158045207387. The next prime is 158045207423. The reversal of 158045207402 is 204702540851.

It is a Cunningham number, because it is equal to 397549²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 10943042881 + 147102164521 = 104609^2 + 383539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12583958 + ... + 12596510.

Almost surely, 2^158045207402 is an apocalyptic number.

158045207402 is a deficient number, since it is larger than the sum of its proper divisors (103962547438).

158045207402 is a wasteful number, since it uses less digits than its factorization.

158045207402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12827 (or 12714 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 158045207402 in words is "one hundred fifty-eight billion, forty-five million, two hundred seven thousand, four hundred two".