15154455451 has 2 divisors, whose sum is σ = 15154455452. Its totient is φ = 15154455450.

The previous prime is 15154455439. The next prime is 15154455457. The reversal of 15154455451 is 15455445151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15154455451 is a prime.

It is a super-2 number, since 2×15154455451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15154455457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577227725 + 7577227726.

It is an arithmetic number, because the mean of its divisors is an integer number (7577227726).

Almost surely, 2^15154455451 is an apocalyptic number.

15154455451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15154455451 is an equidigital number, since it uses as much as digits as its factorization.

15154455451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200000, while the sum is 40.

The spelling of 15154455451 in words is "fifteen billion, one hundred fifty-four million, four hundred fifty-five thousand, four hundred fifty-one".