245154105377 has 2 divisors, whose sum is σ = 245154105378. Its totient is φ = 245154105376.

The previous prime is 245154105373. The next prime is 245154105437. The reversal of 245154105377 is 773501451542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145856011921 + 99298093456 = 381911^2 + 315116^2 .

It is a cyclic number.

It is not a de Polignac number, because 245154105377 - 2² = 245154105373 is a prime.

It is not a weakly prime, because it can be changed into another prime (245154105373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122577052688 + 122577052689.

It is an arithmetic number, because the mean of its divisors is an integer number (122577052689).

Almost surely, 2^245154105377 is an apocalyptic number.

It is an amenable number.

245154105377 is a deficient number, since it is larger than the sum of its proper divisors (1).

245154105377 is an equidigital number, since it uses as much as digits as its factorization.

245154105377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 245154105377 in words is "two hundred forty-five billion, one hundred fifty-four million, one hundred five thousand, three hundred seventy-seven".