145550243151431 has 8 divisors (see below), whose sum is σ = 148968108816384. Its totient is φ = 142145754652440.

The previous prime is 145550243151413. The next prime is 145550243151433. The reversal of 145550243151431 is 134151342055541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145550243151431 - 2¹⁴ = 145550243135047 is a prime.

It is a super-2 number, since 2×145550243151431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145550243151433) 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, 3344269475 + ... + 3344312996.

It is an arithmetic number, because the mean of its divisors is an integer number (18621013602048).

Almost surely, 2^{145550243151431} is an apocalyptic number.

145550243151431 is a deficient number, since it is larger than the sum of its proper divisors (3417865664953).

145550243151431 is an equidigital number, since it uses as much as digits as its factorization.

145550243151431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688582981.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 145550243151431 in words is "one hundred forty-five trillion, five hundred fifty billion, two hundred forty-three million, one hundred fifty-one thousand, four hundred thirty-one".