145761056411515 has 32 divisors (see below), whose sum is σ = 181615930056000. Its totient is φ = 112170981285888.

The previous prime is 145761056411507. The next prime is 145761056411561. The reversal of 145761056411515 is 515114650167541.

It is a cyclic number.

It is not a de Polignac number, because 145761056411515 - 2³ = 145761056411507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41999691 + ... + 45337579.

It is an arithmetic number, because the mean of its divisors is an integer number (5675497814250).

Almost surely, 2^{145761056411515} is an apocalyptic number.

145761056411515 is a deficient number, since it is larger than the sum of its proper divisors (35854873644485).

145761056411515 is a wasteful number, since it uses less digits than its factorization.

145761056411515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339039.

The product of its (nonzero) digits is 2520000, while the sum is 52.

The spelling of 145761056411515 in words is "one hundred forty-five trillion, seven hundred sixty-one billion, fifty-six million, four hundred eleven thousand, five hundred fifteen".