154040634 has 96 divisors (see below), whose sum is σ = 381326400. Its totient is φ = 44513280.

The previous prime is 154040629. The next prime is 154040639. The reversal of 154040634 is 436040451.

It is an interprime number because it is at equal distance from previous prime (154040629) and next prime (154040639).

It is a junction number, because it is equal to n+sod(n) for n = 154040598 and 154040607.

It is not an unprimeable number, because it can be changed into a prime (154040639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 798042 + ... + 798234.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^154040634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154040634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190663200).

154040634 is an abundant number, since it is smaller than the sum of its proper divisors (227285766).

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

154040634 is a wasteful number, since it uses less digits than its factorization.

154040634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 154040634 is about 12411.3107285250. The cubic root of 154040634 is about 536.0579803805.

The spelling of 154040634 in words is "one hundred fifty-four million, forty thousand, six hundred thirty-four".