154544453970 has 32 divisors (see below), whose sum is σ = 390428095680. Its totient is φ = 39042809280.

The previous prime is 154544453957. The next prime is 154544454037. The reversal of 154544453970 is 79354445451.

It is a super-4 number, since 4×154544453970⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135564741 + ... + 135565880.

It is an arithmetic number, because the mean of its divisors is an integer number (12200877990).

Almost surely, 2^154544453970 is an apocalyptic number.

154544453970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154544453970 is an abundant number, since it is smaller than the sum of its proper divisors (235883641710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154544453970 is a wasteful number, since it uses less digits than its factorization.

154544453970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271130650.

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 154544453970 in words is "one hundred fifty-four billion, five hundred forty-four million, four hundred fifty-three thousand, nine hundred seventy".