145396 has 12 divisors (see below), whose sum is σ = 257152. Its totient is φ = 71928.

The previous prime is 145391. The next prime is 145399. The reversal of 145396 is 693541.

It is a super-2 number, since 2×145396² = 42279993632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145391) 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 3 ways as a sum of consecutive naturals, for example, 541 + ... + 763.

2¹⁴⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

145396 is a deficient number, since it is larger than the sum of its proper divisors (111756).

145396 is a wasteful number, since it uses less digits than its factorization.

145396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 145396 is about 381.3082742349. The cubic root of 145396 is about 52.5836610184.

The spelling of 145396 in words is "one hundred forty-five thousand, three hundred ninety-six".