145637749390401 has 8 divisors (see below), whose sum is σ = 215759628726560. Its totient is φ = 97091832926916.

The previous prime is 145637749390391. The next prime is 145637749390411. The reversal of 145637749390401 is 104093947736541.

145637749390401 is a `hidden beast` number, since 1 + 4 + 56 + 3 + 7 + 7 + 4 + 93 + 90 + 401 = 666.

It is an interprime number because it is at equal distance from previous prime (145637749390391) and next prime (145637749390411).

It is not a de Polignac number, because 145637749390401 - 2³⁰ = 145636675648577 is a prime.

It is a super-2 number, since 2×145637749390401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145637749390411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2696995359055 + ... + 2696995359108.

It is an arithmetic number, because the mean of its divisors is an integer number (26969953590820).

Almost surely, 2^{145637749390401} is an apocalyptic number.

It is an amenable number.

145637749390401 is a deficient number, since it is larger than the sum of its proper divisors (70121879336159).

145637749390401 is an equidigital number, since it uses as much as digits as its factorization.

145637749390401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393990718172 (or 5393990718166 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 145637749390401 in words is "one hundred forty-five trillion, six hundred thirty-seven billion, seven hundred forty-nine million, three hundred ninety thousand, four hundred one".