145101740 has 36 divisors (see below), whose sum is σ = 354465216. Its totient is φ = 49748832.

The previous prime is 145101721. The next prime is 145101743. The reversal of 145101740 is 47101541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145101743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73052 + ... + 75011.

It is an arithmetic number, because the mean of its divisors is an integer number (9846256).

Almost surely, 2^145101740 is an apocalyptic number.

145101740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145101740 is an abundant number, since it is smaller than the sum of its proper divisors (209363476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145101740 is a wasteful number, since it uses less digits than its factorization.

145101740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148086 (or 148077 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 145101740 is about 12045.8183615726. The cubic root of 145101740 is about 525.4816320923.

The spelling of 145101740 in words is "one hundred forty-five million, one hundred one thousand, seven hundred forty".