145553567 has 8 divisors (see below), whose sum is σ = 149281440. Its totient is φ = 141834240.

The previous prime is 145553561. The next prime is 145553579. The reversal of 145553567 is 765355541.

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

It is a cyclic number.

It is not a de Polignac number, because 145553567 - 2²⁰ = 144504991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145553561) 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, 45734 + ... + 48812.

It is an arithmetic number, because the mean of its divisors is an integer number (18660180).

Almost surely, 2^145553567 is an apocalyptic number.

145553567 is a deficient number, since it is larger than the sum of its proper divisors (3727873).

145553567 is a wasteful number, since it uses less digits than its factorization.

145553567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its digits is 315000, while the sum is 41.

The square root of 145553567 is about 12064.5583010734. The cubic root of 145553567 is about 526.0264929526.

The spelling of 145553567 in words is "one hundred forty-five million, five hundred fifty-three thousand, five hundred sixty-seven".