145450107 has 36 divisors (see below), whose sum is σ = 237979560. Its totient is φ = 87733800.

The previous prime is 145450069. The next prime is 145450117. The reversal of 145450107 is 701054541.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

145450107 is a `hidden beast` number, since 14 + 545 + 0 + 107 = 666.

It is not a de Polignac number, because 145450107 - 2⁶ = 145450043 is a prime.

It is a super-2 number, since 2×145450107² = 42311467252622898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145450117) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 689232 + ... + 689442.

Almost surely, 2^145450107 is an apocalyptic number.

145450107 is a deficient number, since it is larger than the sum of its proper divisors (92529453).

145450107 is an equidigital number, since it uses as much as digits as its factorization.

145450107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145450107 is about 12060.2697731021. The cubic root of 145450107 is about 525.9018295685.

Multiplying 145450107 by its sum of digits (27), we get a square (3927152889 = 62667²).

145450107 divided by its sum of digits (27) gives a square (5387041 = 2321²).

The spelling of 145450107 in words is "one hundred forty-five million, four hundred fifty thousand, one hundred seven".