145462471 has 16 divisors (see below), whose sum is σ = 183126528. Its totient is φ = 112240800.

The previous prime is 145462469. The next prime is 145462477. The reversal of 145462471 is 174264541.

145462471 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 145462471 - 2¹ = 145462469 is a prime.

It is a super-3 number, since 3×145462471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145462477) 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, 1240 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (11445408).

Almost surely, 2^145462471 is an apocalyptic number.

145462471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145462471 is a deficient number, since it is larger than the sum of its proper divisors (37664057).

145462471 is a wasteful number, since it uses less digits than its factorization.

145462471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18462.

The product of its digits is 26880, while the sum is 34.

The square root of 145462471 is about 12060.7823543914. The cubic root of 145462471 is about 525.9167305911.

The spelling of 145462471 in words is "one hundred forty-five million, four hundred sixty-two thousand, four hundred seventy-one".