1453620251242 has 32 divisors (see below), whose sum is σ = 2212522542720. Its totient is φ = 716180352000.

The previous prime is 1453620251233. The next prime is 1453620251263. The reversal of 1453620251242 is 2421520263541.

It is a super-2 number, since 2×1453620251242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205339059 + ... + 205346137.

It is an arithmetic number, because the mean of its divisors is an integer number (69141329460).

Almost surely, 2^{1453620251242} is an apocalyptic number.

1453620251242 is a deficient number, since it is larger than the sum of its proper divisors (758902291478).

1453620251242 is a wasteful number, since it uses less digits than its factorization.

1453620251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1453620251242 in words is "one trillion, four hundred fifty-three billion, six hundred twenty million, two hundred fifty-one thousand, two hundred forty-two".