145712469 has 16 divisors (see below), whose sum is σ = 225680000. Its totient is φ = 81898560.

The previous prime is 145712467. The next prime is 145712473. The reversal of 145712469 is 964217541.

It is not a de Polignac number, because 145712469 - 2¹ = 145712467 is a prime.

It is a super-2 number, since 2×145712469² = 42464247244151922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145712461) 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, 55594 + ... + 58155.

It is an arithmetic number, because the mean of its divisors is an integer number (14105000).

Almost surely, 2^145712469 is an apocalyptic number.

It is an amenable number.

145712469 is a deficient number, since it is larger than the sum of its proper divisors (79967531).

145712469 is a wasteful number, since it uses less digits than its factorization.

145712469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113820.

The product of its digits is 60480, while the sum is 39.

The square root of 145712469 is about 12071.1419923717. The cubic root of 145712469 is about 526.2178457870.

The spelling of 145712469 in words is "one hundred forty-five million, seven hundred twelve thousand, four hundred sixty-nine".