154740894 has 64 divisors (see below), whose sum is σ = 387459072. Its totient is φ = 40024800.

The previous prime is 154740889. The next prime is 154740913. The reversal of 154740894 is 498047451.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141289 + ... + 142379.

It is an arithmetic number, because the mean of its divisors is an integer number (6054048).

Almost surely, 2^154740894 is an apocalyptic number.

154740894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154740894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193729536).

154740894 is an abundant number, since it is smaller than the sum of its proper divisors (232718178).

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

154740894 is a wasteful number, since it uses less digits than its factorization.

154740894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 154740894 is about 12439.4892981987. The cubic root of 154740894 is about 536.8690490038.

The spelling of 154740894 in words is "one hundred fifty-four million, seven hundred forty thousand, eight hundred ninety-four".