145032953 has 4 divisors (see below), whose sum is σ = 156189348. Its totient is φ = 133876560.

The previous prime is 145032919. The next prime is 145032959. The reversal of 145032953 is 359230541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359230541 = 47 ⋅7643203.

It can be written as a sum of positive squares in 2 ways, for example, as 14227984 + 130804969 = 3772^2 + 11437^2 .

It is a cyclic number.

It is not a de Polignac number, because 145032953 - 2⁸ = 145032697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145032959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578178 + ... + 5578203.

It is an arithmetic number, because the mean of its divisors is an integer number (39047337).

Almost surely, 2^145032953 is an apocalyptic number.

145032953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145032953 is a deficient number, since it is larger than the sum of its proper divisors (11156395).

145032953 is a wasteful number, since it uses less digits than its factorization.

145032953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156394.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 145032953 is about 12042.9627999093. The cubic root of 145032953 is about 525.3985822765.

The spelling of 145032953 in words is "one hundred forty-five million, thirty-two thousand, nine hundred fifty-three".