145773129 has 24 divisors (see below), whose sum is σ = 204478560. Its totient is φ = 92345280.

The previous prime is 145773109. The next prime is 145773167. The reversal of 145773129 is 921377541.

It is not a de Polignac number, because 145773129 - 2⁵ = 145773097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145773109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169669 + ... + 170525.

It is an arithmetic number, because the mean of its divisors is an integer number (8519940).

Almost surely, 2^145773129 is an apocalyptic number.

It is an amenable number.

145773129 is a deficient number, since it is larger than the sum of its proper divisors (58705431).

145773129 is an equidigital number, since it uses as much as digits as its factorization.

145773129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 950 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 145773129 is about 12073.6543349559. The cubic root of 145773129 is about 526.2908570314.

The spelling of 145773129 in words is "one hundred forty-five million, seven hundred seventy-three thousand, one hundred twenty-nine".