145214012 has 6 divisors (see below), whose sum is σ = 254124528. Its totient is φ = 72607004.

The previous prime is 145213997. The next prime is 145214039. The reversal of 145214012 is 210412541.

It is a happy number.

145214012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145214012² = 42174218562272288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18151748 + ... + 18151755.

It is an arithmetic number, because the mean of its divisors is an integer number (42354088).

Almost surely, 2^145214012 is an apocalyptic number.

It is an amenable number.

145214012 is a deficient number, since it is larger than the sum of its proper divisors (108910516).

145214012 is a wasteful number, since it uses less digits than its factorization.

145214012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303507 (or 36303505 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 145214012 is about 12050.4776668811. The cubic root of 145214012 is about 525.6171270541.

Adding to 145214012 its reverse (210412541), we get a palindrome (355626553).

The spelling of 145214012 in words is "one hundred forty-five million, two hundred fourteen thousand, twelve".