151405123402 has 32 divisors (see below), whose sum is σ = 246622408704. Its totient is φ = 69295564800.

The previous prime is 151405123381. The next prime is 151405123411. The reversal of 151405123402 is 204321504151.

It is a super-2 number, since 2×151405123402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7621002 + ... + 7640842.

It is an arithmetic number, because the mean of its divisors is an integer number (7706950272).

Almost surely, 2^151405123402 is an apocalyptic number.

151405123402 is a deficient number, since it is larger than the sum of its proper divisors (95217285302).

151405123402 is a wasteful number, since it uses less digits than its factorization.

151405123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 151405123402 its reverse (204321504151), we get a palindrome (355726627553).

The spelling of 151405123402 in words is "one hundred fifty-one billion, four hundred five million, one hundred twenty-three thousand, four hundred two".