145478264 has 8 divisors (see below), whose sum is σ = 272771760. Its totient is φ = 72739128.

The previous prime is 145478261. The next prime is 145478273. The reversal of 145478264 is 462874541.

145478264 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×145478264³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145478261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9092384 + ... + 9092399.

It is an arithmetic number, because the mean of its divisors is an integer number (34096470).

Almost surely, 2^145478264 is an apocalyptic number.

It is an amenable number.

145478264 is a deficient number, since it is larger than the sum of its proper divisors (127293496).

145478264 is a wasteful number, since it uses less digits than its factorization.

145478264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18184789 (or 18184785 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 145478264 is about 12061.4370619757. The cubic root of 145478264 is about 525.9357629969.

The spelling of 145478264 in words is "one hundred forty-five million, four hundred seventy-eight thousand, two hundred sixty-four".