145213850 has 48 divisors (see below), whose sum is σ = 277065600. Its totient is φ = 56609280.

The previous prime is 145213837. The next prime is 145213891. The reversal of 145213850 is 58312541.

145213850 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382961 + ... + 383339.

It is an arithmetic number, because the mean of its divisors is an integer number (5772200).

Almost surely, 2^145213850 is an apocalyptic number.

145213850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145213850 is a deficient number, since it is larger than the sum of its proper divisors (131851750).

145213850 is a wasteful number, since it uses less digits than its factorization.

145213850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 145213850 is about 12050.4709451540. The cubic root of 145213850 is about 525.6169315954.

The spelling of 145213850 in words is "one hundred forty-five million, two hundred thirteen thousand, eight hundred fifty".