145374437 has 8 divisors (see below), whose sum is σ = 156916704. Its totient is φ = 133883568.

The previous prime is 145374409. The next prime is 145374461. The reversal of 145374437 is 734473541.

It is a happy number.

145374437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145374437 - 2¹² = 145370341 is a prime.

It is a super-2 number, since 2×145374437² = 42267453866133938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145374437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145374037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (19614588).

Almost surely, 2^145374437 is an apocalyptic number.

It is an amenable number.

145374437 is a deficient number, since it is larger than the sum of its proper divisors (11542267).

145374437 is a wasteful number, since it uses less digits than its factorization.

145374437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25699.

The product of its digits is 141120, while the sum is 38.

The square root of 145374437 is about 12057.1322046331. The cubic root of 145374437 is about 525.8106141102.

The spelling of 145374437 in words is "one hundred forty-five million, three hundred seventy-four thousand, four hundred thirty-seven".