1457142912 has 128 divisors (see below), whose sum is σ = 4318272000. Its totient is φ = 483720192.

The previous prime is 1457142899. The next prime is 1457142919. The reversal of 1457142912 is 2192417541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1457142919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011889 + ... + 1013327.

It is an arithmetic number, because the mean of its divisors is an integer number (33736500).

Almost surely, 2^1457142912 is an apocalyptic number.

1457142912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1457142912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159136000).

1457142912 is an abundant number, since it is smaller than the sum of its proper divisors (2861129088).

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

1457142912 is a wasteful number, since it uses less digits than its factorization.

1457142912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1737 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1457142912 is about 38172.5413353630. The cubic root of 1457142912 is about 1133.7067072754.

The spelling of 1457142912 in words is "one billion, four hundred fifty-seven million, one hundred forty-two thousand, nine hundred twelve".