147550402 has 4 divisors (see below), whose sum is σ = 221325606. Its totient is φ = 73775200.

The previous prime is 147550387. The next prime is 147550427. The reversal of 147550402 is 204055741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204055741 = 107 ⋅1907063.

It can be written as a sum of positive squares in only one way, i.e., 134583201 + 12967201 = 11601^2 + 3601^2 .

It is a super-2 number, since 2×147550402² = 43542242260723208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36887599 + ... + 36887602.

Almost surely, 2^147550402 is an apocalyptic number.

147550402 is a deficient number, since it is larger than the sum of its proper divisors (73775204).

147550402 is an equidigital number, since it uses as much as digits as its factorization.

147550402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73775203.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 147550402 is about 12147.0326417607. The cubic root of 147550402 is about 528.4210775751.

The spelling of 147550402 in words is "one hundred forty-seven million, five hundred fifty thousand, four hundred two".