145625949 has 24 divisors (see below), whose sum is σ = 250852992. Its totient is φ = 79596000.

The previous prime is 145625929. The next prime is 145625951. The reversal of 145625949 is 949526541.

145625949 is a `hidden beast` number, since 1 + 4 + 56 + 2 + 594 + 9 = 666.

145625949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145625949 - 2⁵ = 145625917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145625929) 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, 48802 + ... + 51699.

It is an arithmetic number, because the mean of its divisors is an integer number (10452208).

Almost surely, 2^145625949 is an apocalyptic number.

It is an amenable number.

145625949 is a deficient number, since it is larger than the sum of its proper divisors (105227043).

145625949 is a wasteful number, since it uses less digits than its factorization.

145625949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100537 (or 100534 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 145625949 is about 12067.5577065121. The cubic root of 145625949 is about 526.1136740061.

The spelling of 145625949 in words is "one hundred forty-five million, six hundred twenty-five thousand, nine hundred forty-nine".