154140672 has 126 divisors (see below), whose sum is σ = 478150428. Its totient is φ = 44040192.

The previous prime is 154140653. The next prime is 154140677. The reversal of 154140672 is 276041451.

It is a super-3 number, since 3×154140672³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (154140677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22020093 + ... + 22020099.

Almost surely, 2^154140672 is an apocalyptic number.

154140672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154140672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239075214).

154140672 is an abundant number, since it is smaller than the sum of its proper divisors (324009756).

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

154140672 is an frugal number, since it uses more digits than its factorization.

154140672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 154140672 is about 12415.3401886537. The cubic root of 154140672 is about 536.1739986074.

The spelling of 154140672 in words is "one hundred fifty-four million, one hundred forty thousand, six hundred seventy-two".