145755441 has 48 divisors (see below), whose sum is σ = 240676800. Its totient is φ = 84260736.

The previous prime is 145755431. The next prime is 145755443. The reversal of 145755441 is 144557541.

145755441 is a `hidden beast` number, since 1 + 45 + 75 + 544 + 1 = 666.

It is not a de Polignac number, because 145755441 - 2⁵ = 145755409 is a prime.

It is a super-2 number, since 2×145755441² = 42489297162208962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145755396 and 145755405.

It is not an unprimeable number, because it can be changed into a prime (145755443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384390 + ... + 384768.

It is an arithmetic number, because the mean of its divisors is an integer number (5014100).

Almost surely, 2^145755441 is an apocalyptic number.

It is an amenable number.

145755441 is a deficient number, since it is larger than the sum of its proper divisors (94921359).

145755441 is a wasteful number, since it uses less digits than its factorization.

145755441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 587 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 145755441 is about 12072.9218087421. The cubic root of 145755441 is about 526.2695695936.

The spelling of 145755441 in words is "one hundred forty-five million, seven hundred fifty-five thousand, four hundred forty-one".