1456156157890 has 32 divisors (see below), whose sum is σ = 3056654332800. Its totient is φ = 499253538672.

The previous prime is 1456156157879. The next prime is 1456156157893. The reversal of 1456156157890 is 987516516541.

It is not an unprimeable number, because it can be changed into a prime (1456156157893) 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, 212264232 + ... + 212271091.

It is an arithmetic number, because the mean of its divisors is an integer number (95520447900).

Almost surely, 2^{1456156157890} is an apocalyptic number.

1456156157890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1456156157890 is an abundant number, since it is smaller than the sum of its proper divisors (1600498174910).

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

1456156157890 is an equidigital number, since it uses as much as digits as its factorization.

1456156157890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424535351 (or 424535337 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 58.

The spelling of 1456156157890 in words is "one trillion, four hundred fifty-six billion, one hundred fifty-six million, one hundred fifty-seven thousand, eight hundred ninety".