152140402 has 8 divisors (see below), whose sum is σ = 229099356. Its totient is φ = 75773952.

The previous prime is 152140397. The next prime is 152140403. The reversal of 152140402 is 204041251.

It can be written as a sum of positive squares in 2 ways, for example, as 152004241 + 136161 = 12329^2 + 369^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 152140402.

It is not an unprimeable number, because it can be changed into a prime (152140403) 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 3 ways as a sum of consecutive naturals, for example, 147483 + ... + 148510.

Almost surely, 2^152140402 is an apocalyptic number.

152140402 is a deficient number, since it is larger than the sum of its proper divisors (76958954).

152140402 is a wasteful number, since it uses less digits than its factorization.

152140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296252.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 152140402 is about 12334.5207446418. The cubic root of 152140402 is about 533.8445988818.

Adding to 152140402 its reverse (204041251), we get a palindrome (356181653).

The spelling of 152140402 in words is "one hundred fifty-two million, one hundred forty thousand, four hundred two".