145462407 has 12 divisors (see below), whose sum is σ = 194967864. Its totient is φ = 96468400.

The previous prime is 145462399. The next prime is 145462409. The reversal of 145462407 is 704264541.

It is not a de Polignac number, because 145462407 - 2³ = 145462399 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145462409) 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 11 ways as a sum of consecutive naturals, for example, 207157 + ... + 207857.

It is an arithmetic number, because the mean of its divisors is an integer number (16247322).

Almost surely, 2^145462407 is an apocalyptic number.

145462407 is a deficient number, since it is larger than the sum of its proper divisors (49505457).

145462407 is an frugal number, since it uses more digits than its factorization.

145462407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 145462407 is about 12060.7797011636. The cubic root of 145462407 is about 525.9166534608.

The spelling of 145462407 in words is "one hundred forty-five million, four hundred sixty-two thousand, four hundred seven".