155373797402 has 8 divisors (see below), whose sum is σ = 233417605716. Its totient is φ = 77567928832.

The previous prime is 155373797401. The next prime is 155373797441. The reversal of 155373797402 is 204797373551.

It can be written as a sum of positive squares in 2 ways, for example, as 131289550921 + 24084246481 = 362339^2 + 155191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155373797401) 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, 59483303 + ... + 59485914.

Almost surely, 2^155373797402 is an apocalyptic number.

155373797402 is a deficient number, since it is larger than the sum of its proper divisors (78043808314).

155373797402 is a wasteful number, since it uses less digits than its factorization.

155373797402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118969872.

The product of its (nonzero) digits is 5556600, while the sum is 53.

The spelling of 155373797402 in words is "one hundred fifty-five billion, three hundred seventy-three million, seven hundred ninety-seven thousand, four hundred two".