145969077 has 16 divisors (see below), whose sum is σ = 205257920. Its totient is φ = 92016000.

The previous prime is 145969069. The next prime is 145969129. The reversal of 145969077 is 770969541.

It is a happy number.

It is not a de Polignac number, because 145969077 - 2³ = 145969069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145969007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32127 + ... + 36387.

It is an arithmetic number, because the mean of its divisors is an integer number (12828620).

Almost surely, 2^145969077 is an apocalyptic number.

It is an amenable number.

145969077 is a deficient number, since it is larger than the sum of its proper divisors (59288843).

145969077 is a wasteful number, since it uses less digits than its factorization.

145969077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 145969077 is about 12081.7663029873. The cubic root of 145969077 is about 526.5265645515.

The spelling of 145969077 in words is "one hundred forty-five million, nine hundred sixty-nine thousand, seventy-seven".