154094431 has 4 divisors (see below), whose sum is σ = 154471600. Its totient is φ = 153717264.

The previous prime is 154094417. The next prime is 154094453. The reversal of 154094431 is 134490451.

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 154094431 - 2⁵ = 154094399 is a prime.

It is a super-2 number, since 2×154094431² = 47490187330427522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154094393 and 154094402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154094461) 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 3 ways as a sum of consecutive naturals, for example, 187971 + ... + 188788.

It is an arithmetic number, because the mean of its divisors is an integer number (38617900).

Almost surely, 2^154094431 is an apocalyptic number.

154094431 is a deficient number, since it is larger than the sum of its proper divisors (377169).

154094431 is an equidigital number, since it uses as much as digits as its factorization.

154094431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377168.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 154094431 is about 12413.4777963309. The cubic root of 154094431 is about 536.1203772384.

The spelling of 154094431 in words is "one hundred fifty-four million, ninety-four thousand, four hundred thirty-one".