156212140044254 has 24 divisors (see below), whose sum is σ = 272588456799648. Its totient is φ = 66944569245120.

The previous prime is 156212140044131. The next prime is 156212140044283. The reversal of 156212140044254 is 452440041212651.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39667307 + ... + 43427174.

It is an arithmetic number, because the mean of its divisors is an integer number (11357852366652).

Almost surely, 2^{156212140044254} is an apocalyptic number.

156212140044254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

156212140044254 is a deficient number, since it is larger than the sum of its proper divisors (116376316755394).

156212140044254 is a wasteful number, since it uses less digits than its factorization.

156212140044254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83113680 (or 83113673 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 156212140044254 in words is "one hundred fifty-six trillion, two hundred twelve billion, one hundred forty million, forty-four thousand, two hundred fifty-four".