345445154 has 4 divisors (see below), whose sum is σ = 518167734. Its totient is φ = 172722576.

The previous prime is 345445127. The next prime is 345445157. The reversal of 345445154 is 451544543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451544543 = 31 ⋅14565953.

It can be written as a sum of positive squares in only one way, i.e., 323100625 + 22344529 = 17975^2 + 4727^2 .

It is not an unprimeable number, because it can be changed into a prime (345445157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86361287 + ... + 86361290.

Almost surely, 2^345445154 is an apocalyptic number.

345445154 is a deficient number, since it is larger than the sum of its proper divisors (172722580).

345445154 is a wasteful number, since it uses less digits than its factorization.

345445154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172722579.

The product of its digits is 96000, while the sum is 35.

The square root of 345445154 is about 18586.1549008933. The cubic root of 345445154 is about 701.6594330764.

Adding to 345445154 its reverse (451544543), we get a palindrome (796989697).

The spelling of 345445154 in words is "three hundred forty-five million, four hundred forty-five thousand, one hundred fifty-four".