144725134 has 4 divisors (see below), whose sum is σ = 217087704. Its totient is φ = 72362566.

The previous prime is 144725129. The next prime is 144725137. The reversal of 144725134 is 431527441.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×144725134² = 41890728822635912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144725096 and 144725105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144725137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36181282 + ... + 36181285.

It is an arithmetic number, because the mean of its divisors is an integer number (54271926).

Almost surely, 2^144725134 is an apocalyptic number.

144725134 is a deficient number, since it is larger than the sum of its proper divisors (72362570).

144725134 is an equidigital number, since it uses as much as digits as its factorization.

144725134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72362569.

The product of its digits is 13440, while the sum is 31.

The square root of 144725134 is about 12030.1759754378. The cubic root of 144725134 is about 525.0266157330.

The spelling of 144725134 in words is "one hundred forty-four million, seven hundred twenty-five thousand, one hundred thirty-four".