145181434 has 8 divisors (see below), whose sum is σ = 217861920. Its totient is φ = 72560796.

The previous prime is 145181431. The next prime is 145181437. The reversal of 145181434 is 434181541.

It is an interprime number because it is at equal distance from previous prime (145181431) and next prime (145181437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145181396 and 145181405.

It is not an unprimeable number, because it can be changed into a prime (145181431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8304 + ... + 18955.

It is an arithmetic number, because the mean of its divisors is an integer number (27232740).

Almost surely, 2^145181434 is an apocalyptic number.

145181434 is a deficient number, since it is larger than the sum of its proper divisors (72680486).

145181434 is a wasteful number, since it uses less digits than its factorization.

145181434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29924.

The product of its digits is 7680, while the sum is 31.

The square root of 145181434 is about 12049.1258604100. The cubic root of 145181434 is about 525.5778176348.

The spelling of 145181434 in words is "one hundred forty-five million, one hundred eighty-one thousand, four hundred thirty-four".