153452021402 has 4 divisors (see below), whose sum is σ = 230178032106. Its totient is φ = 76726010700.

The previous prime is 153452021351. The next prime is 153452021441. The reversal of 153452021402 is 204120254351.

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., 87551483881 + 65900537521 = 295891^2 + 256711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38363005349 + ... + 38363005352.

Almost surely, 2^153452021402 is an apocalyptic number.

153452021402 is a deficient number, since it is larger than the sum of its proper divisors (76726010704).

153452021402 is an equidigital number, since it uses as much as digits as its factorization.

153452021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76726010703.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 153452021402 its reverse (204120254351), we get a palindrome (357572275753).

The spelling of 153452021402 in words is "one hundred fifty-three billion, four hundred fifty-two million, twenty-one thousand, four hundred two".