154230315451 has 4 divisors (see below), whose sum is σ = 157992030504. Its totient is φ = 150468600400.

The previous prime is 154230315439. The next prime is 154230315461. The reversal of 154230315451 is 154513032451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154230315451 - 2¹¹ = 154230313403 is a prime.

It is a super-2 number, since 2×154230315451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154230315461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880857465 + ... + 1880857546.

It is an arithmetic number, because the mean of its divisors is an integer number (39498007626).

Almost surely, 2^154230315451 is an apocalyptic number.

154230315451 is a deficient number, since it is larger than the sum of its proper divisors (3761715053).

154230315451 is an equidigital number, since it uses as much as digits as its factorization.

154230315451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761715052.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 154230315451 in words is "one hundred fifty-four billion, two hundred thirty million, three hundred fifteen thousand, four hundred fifty-one".