1453741520 has 80 divisors (see below), whose sum is σ = 4213980288. Its totient is φ = 453112320.

The previous prime is 1453741459. The next prime is 1453741561. The reversal of 1453741520 is 251473541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1453741520² = 4226728813943820800, which contains 22 as substring.

It is a congruent number.

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, 111839 + ... + 124158.

Almost surely, 2^1453741520 is an apocalyptic number.

1453741520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453741520 is an abundant number, since it is smaller than the sum of its proper divisors (2760238768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453741520 is a wasteful number, since it uses less digits than its factorization.

1453741520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236028 (or 236022 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1453741520 is about 38127.9624422811. The cubic root of 1453741520 is about 1132.8238871417.

The spelling of 1453741520 in words is "one billion, four hundred fifty-three million, seven hundred forty-one thousand, five hundred twenty".