154650140 has 24 divisors (see below), whose sum is σ = 325554432. Its totient is φ = 61709760.

The previous prime is 154650113. The next prime is 154650143. The reversal of 154650140 is 41056451.

154650140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154650143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (13564768).

Almost surely, 2^154650140 is an apocalyptic number.

154650140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154650140 is an abundant number, since it is smaller than the sum of its proper divisors (170904292).

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

154650140 is a wasteful number, since it uses less digits than its factorization.

154650140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18797 (or 18795 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 154650140 is about 12435.8409446245. The cubic root of 154650140 is about 536.7640723539.

The spelling of 154650140 in words is "one hundred fifty-four million, six hundred fifty thousand, one hundred forty".