145940129 has 8 divisors (see below), whose sum is σ = 152425152. Its totient is φ = 139466800.

The previous prime is 145940107. The next prime is 145940149. The reversal of 145940129 is 921049541.

145940129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145940129 - 2⁸ = 145939873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145940149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31187 + ... + 35559.

It is an arithmetic number, because the mean of its divisors is an integer number (19053144).

Almost surely, 2^145940129 is an apocalyptic number.

It is an amenable number.

145940129 is a deficient number, since it is larger than the sum of its proper divisors (6485023).

145940129 is a wasteful number, since it uses less digits than its factorization.

145940129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 145940129 is about 12080.5682399463. The cubic root of 145940129 is about 526.4917560405.

The spelling of 145940129 in words is "one hundred forty-five million, nine hundred forty thousand, one hundred twenty-nine".