154941387 has 4 divisors (see below), whose sum is σ = 206588520. Its totient is φ = 103294256.

The previous prime is 154941343. The next prime is 154941401. The reversal of 154941387 is 783149451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154941387 - 2⁶ = 154941323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154941307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25823562 + ... + 25823567.

It is an arithmetic number, because the mean of its divisors is an integer number (51647130).

Almost surely, 2^154941387 is an apocalyptic number.

154941387 is a deficient number, since it is larger than the sum of its proper divisors (51647133).

154941387 is an equidigital number, since it uses as much as digits as its factorization.

154941387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51647132.

The product of its digits is 120960, while the sum is 42.

The square root of 154941387 is about 12447.5454206844. The cubic root of 154941387 is about 537.1008171528.

The spelling of 154941387 in words is "one hundred fifty-four million, nine hundred forty-one thousand, three hundred eighty-seven".