151453402 has 4 divisors (see below), whose sum is σ = 227180106. Its totient is φ = 75726700.

The previous prime is 151453397. The next prime is 151453409. The reversal of 151453402 is 204354151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140635881 + 10817521 = 11859^2 + 3289^2 .

It is not an unprimeable number, because it can be changed into a prime (151453409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37863349 + ... + 37863352.

Almost surely, 2^151453402 is an apocalyptic number.

151453402 is a deficient number, since it is larger than the sum of its proper divisors (75726704).

151453402 is an equidigital number, since it uses as much as digits as its factorization.

151453402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75726703.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 151453402 is about 12306.6405651583. The cubic root of 151453402 is about 533.0398495551.

The spelling of 151453402 in words is "one hundred fifty-one million, four hundred fifty-three thousand, four hundred two".