145234461 has 8 divisors (see below), whose sum is σ = 203837920. Its totient is φ = 91726992.

The previous prime is 145234457. The next prime is 145234471. The reversal of 145234461 is 164432541.

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

It is not a de Polignac number, because 145234461 - 2² = 145234457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145234471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273930 + ... + 1274043.

It is an arithmetic number, because the mean of its divisors is an integer number (25479740).

Almost surely, 2^145234461 is an apocalyptic number.

It is an amenable number.

145234461 is a deficient number, since it is larger than the sum of its proper divisors (58603459).

145234461 is a wasteful number, since it uses less digits than its factorization.

145234461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547995.

The product of its digits is 11520, while the sum is 30.

The square root of 145234461 is about 12051.3261096030. The cubic root of 145234461 is about 525.6417983191.

The spelling of 145234461 in words is "one hundred forty-five million, two hundred thirty-four thousand, four hundred sixty-one".