145161434 has 32 divisors (see below), whose sum is σ = 245780352. Its totient is φ = 63720000.

The previous prime is 145161433. The next prime is 145161451. The reversal of 145161434 is 434161541.

It is a junction number, because it is equal to n+sod(n) for n = 145161397 and 145161406.

It is not an unprimeable number, because it can be changed into a prime (145161431) 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, 122324 + ... + 123504.

It is an arithmetic number, because the mean of its divisors is an integer number (7680636).

Almost surely, 2^145161434 is an apocalyptic number.

145161434 is a deficient number, since it is larger than the sum of its proper divisors (100618918).

145161434 is a wasteful number, since it uses less digits than its factorization.

145161434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 5760, while the sum is 29.

The square root of 145161434 is about 12048.2958961008. The cubic root of 145161434 is about 525.5536822276.

The spelling of 145161434 in words is "one hundred forty-five million, one hundred sixty-one thousand, four hundred thirty-four".