154901214 has 64 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 47424096.

The previous prime is 154901213. The next prime is 154901261. The reversal of 154901214 is 412109451.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154901213) 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, 184207 + ... + 185045.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^154901214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154901214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186278400).

154901214 is an abundant number, since it is smaller than the sum of its proper divisors (217655586).

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

154901214 is a wasteful number, since it uses less digits than its factorization.

154901214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 154901214 is about 12445.9316244305. The cubic root of 154901214 is about 537.0543935414.

The spelling of 154901214 in words is "one hundred fifty-four million, nine hundred one thousand, two hundred fourteen".