434312154 has 12 divisors (see below), whose sum is σ = 941009706. Its totient is φ = 144770712.

The previous prime is 434312147. The next prime is 434312161. The reversal of 434312154 is 451213434.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (434312147) and next prime (434312161).

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 78801129 = 18855^2 + 8877^2 .

It is a super-2 number, since 2×434312154² = 377254094224239432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12064209 + ... + 12064244.

Almost surely, 2^434312154 is an apocalyptic number.

434312154 is an abundant number, since it is smaller than the sum of its proper divisors (506697552).

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

434312154 is a wasteful number, since it uses less digits than its factorization.

434312154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128461 (or 24128458 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 434312154 is about 20840.1572450881. The cubic root of 434312154 is about 757.2989029300.

Adding to 434312154 its reverse (451213434), we get a palindrome (885525588).

The spelling of 434312154 in words is "four hundred thirty-four million, three hundred twelve thousand, one hundred fifty-four".