154770151 has 4 divisors (see below), whose sum is σ = 161499312. Its totient is φ = 148040992.

The previous prime is 154770137. The next prime is 154770167. The reversal of 154770151 is 151077451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151077451 = 7 ⋅21582493.

It is a cyclic number.

It is not a de Polignac number, because 154770151 - 2²⁵ = 121215719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154770101) 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, 3364546 + ... + 3364591.

It is an arithmetic number, because the mean of its divisors is an integer number (40374828).

Almost surely, 2^154770151 is an apocalyptic number.

154770151 is a deficient number, since it is larger than the sum of its proper divisors (6729161).

154770151 is an equidigital number, since it uses as much as digits as its factorization.

154770151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729160.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 154770151 is about 12440.6652153331. The cubic root of 154770151 is about 536.9028823096.

The spelling of 154770151 in words is "one hundred fifty-four million, seven hundred seventy thousand, one hundred fifty-one".