245554501151431 has 2 divisors, whose sum is σ = 245554501151432. Its totient is φ = 245554501151430.

The previous prime is 245554501151263. The next prime is 245554501151447. The reversal of 245554501151431 is 134151105455542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245554501151431 - 2¹⁹ = 245554500627143 is a prime.

It is a super-2 number, since 2×245554501151431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245554501151831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122777250575715 + 122777250575716.

It is an arithmetic number, because the mean of its divisors is an integer number (122777250575716).

Almost surely, 2^{245554501151431} is an apocalyptic number.

245554501151431 is a deficient number, since it is larger than the sum of its proper divisors (1).

245554501151431 is an equidigital number, since it uses as much as digits as its factorization.

245554501151431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 245554501151431 in words is "two hundred forty-five trillion, five hundred fifty-four billion, five hundred one million, one hundred fifty-one thousand, four hundred thirty-one".