145276929 has 32 divisors (see below), whose sum is σ = 250023680. Its totient is φ = 81648000.

The previous prime is 145276903. The next prime is 145276931. The reversal of 145276929 is 929672541.

It is not a de Polignac number, because 145276929 - 2⁵ = 145276897 is a prime.

It is a super-2 number, since 2×145276929² = 42210772199342082, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145272929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5229 + ... + 17829.

It is an arithmetic number, because the mean of its divisors is an integer number (7813240).

It is a Proth number, since it is equal to 8867 ⋅ 2¹⁴ + 1 and 8867 < 2¹⁴.

Almost surely, 2^145276929 is an apocalyptic number.

It is an amenable number.

145276929 is a deficient number, since it is larger than the sum of its proper divisors (104746751).

145276929 is a wasteful number, since it uses less digits than its factorization.

145276929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678 (or 12672 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 145276929 is about 12053.0879445891. The cubic root of 145276929 is about 525.6930276217.

The spelling of 145276929 in words is "one hundred forty-five million, two hundred seventy-six thousand, nine hundred twenty-nine".