145432637 has 24 divisors (see below), whose sum is σ = 181725120. Its totient is φ = 115624320.

The previous prime is 145432597. The next prime is 145432643. The reversal of 145432637 is 736234541.

It is not a de Polignac number, because 145432637 - 2¹⁰ = 145431613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145432597 and 145432606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145432037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57914 + ... + 60372.

It is an arithmetic number, because the mean of its divisors is an integer number (7571880).

Almost surely, 2^145432637 is an apocalyptic number.

145432637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145432637 is a deficient number, since it is larger than the sum of its proper divisors (36292483).

145432637 is a wasteful number, since it uses less digits than its factorization.

145432637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2554 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 145432637 is about 12059.5454723634. The cubic root of 145432637 is about 525.8807733841.

The spelling of 145432637 in words is "one hundred forty-five million, four hundred thirty-two thousand, six hundred thirty-seven".