155946402 has 24 divisors (see below), whose sum is σ = 338567580. Its totient is φ = 51876960.

The previous prime is 155946397. The next prime is 155946407. The reversal of 155946402 is 204649551.

155946402 is a `hidden beast` number, since 1 + 5 + 5 + 9 + 4 + 640 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (155946397) and next prime (155946407).

It can be written as a sum of positive squares in 2 ways, for example, as 123010281 + 32936121 = 11091^2 + 5739^2 .

It is not an unprimeable number, because it can be changed into a prime (155946407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652 + ... + 17672.

Almost surely, 2^155946402 is an apocalyptic number.

155946402 is an abundant number, since it is smaller than the sum of its proper divisors (182621178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155946402 is a wasteful number, since it uses less digits than its factorization.

155946402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17538 (or 17535 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 155946402 is about 12487.8501752704. The cubic root of 155946402 is about 538.2596025592.

It can be divided in two parts, 1559 and 46402, that added together give a square (47961 = 219²).

The spelling of 155946402 in words is "one hundred fifty-five million, nine hundred forty-six thousand, four hundred two".