745151611021461 has 24 divisors (see below), whose sum is σ = 1236465079711680. Its totient is φ = 423594698190336.

The previous prime is 745151611021429. The next prime is 745151611021511. The reversal of 745151611021461 is 164120116151547.

745151611021461 is a `hidden beast` number, since 7 + 4 + 5 + 1 + 5 + 1 + 611 + 0 + 21 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 745151611021461 - 2⁵ = 745151611021429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745151611022461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30641965431 + ... + 30641989748.

It is an arithmetic number, because the mean of its divisors is an integer number (51519378321320).

Almost surely, 2^{745151611021461} is an apocalyptic number.

It is an amenable number.

745151611021461 is a deficient number, since it is larger than the sum of its proper divisors (491313468690219).

745151611021461 is a wasteful number, since it uses less digits than its factorization.

745151611021461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61283955385 (or 61283955382 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 745151611021461 in words is "seven hundred forty-five trillion, one hundred fifty-one billion, six hundred eleven million, twenty-one thousand, four hundred sixty-one".