145469012 has 12 divisors (see below), whose sum is σ = 274153236. Its totient is φ = 67139520.

The previous prime is 145468969. The next prime is 145469029. The reversal of 145469012 is 210964541.

145469012 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 can be written as a sum of positive squares in 2 ways, for example, as 47141956 + 98327056 = 6866^2 + 9916^2 .

It is a super-2 number, since 2×145469012² = 42322466904512288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145469012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398689 + ... + 1398792.

It is an arithmetic number, because the mean of its divisors is an integer number (22846103).

Almost surely, 2^145469012 is an apocalyptic number.

It is an amenable number.

145469012 is a deficient number, since it is larger than the sum of its proper divisors (128684224).

145469012 is a wasteful number, since it uses less digits than its factorization.

145469012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797498 (or 2797496 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 145469012 is about 12061.0535194899. The cubic root of 145469012 is about 525.9246134256.

The spelling of 145469012 in words is "one hundred forty-five million, four hundred sixty-nine thousand, twelve".