154701442740 has 96 divisors (see below), whose sum is σ = 466788381696. Its totient is φ = 38055536640.

The previous prime is 154701442717. The next prime is 154701442747. The reversal of 154701442740 is 47244107451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154701442747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147485 + ... + 1275195.

It is an arithmetic number, because the mean of its divisors is an integer number (4862378976).

Almost surely, 2^154701442740 is an apocalyptic number.

154701442740 is a gapful number since it is divisible by the number (10) 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 154701442740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233394190848).

154701442740 is an abundant number, since it is smaller than the sum of its proper divisors (312086938956).

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

154701442740 is a wasteful number, since it uses less digits than its factorization.

154701442740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129289 (or 129287 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 154701442740 in words is "one hundred fifty-four billion, seven hundred one million, four hundred forty-two thousand, seven hundred forty".