345551145 has 16 divisors (see below), whose sum is σ = 557105472. Its totient is φ = 182886080.

The previous prime is 345551137. The next prime is 345551147. The reversal of 345551145 is 541155543.

It is not a de Polignac number, because 345551145 - 2³ = 345551137 is a prime.

It is a super-2 number, since 2×345551145² = 238811187621622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345551147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85962 + ... + 89891.

It is an arithmetic number, because the mean of its divisors is an integer number (34819092).

Almost surely, 2^345551145 is an apocalyptic number.

It is an amenable number.

345551145 is a deficient number, since it is larger than the sum of its proper divisors (211554327).

345551145 is a wasteful number, since it uses less digits than its factorization.

345551145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175992.

The product of its digits is 30000, while the sum is 33.

The square root of 345551145 is about 18589.0060250676. The cubic root of 345551145 is about 701.7311878150.

It can be divided in two parts, 345551 and 145, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 345551145 in words is "three hundred forty-five million, five hundred fifty-one thousand, one hundred forty-five".