Search a number
-
+
145544707 = 7112965179
BaseRepresentation
bin10001010110011…
…01011000000011
3101010212102210201
420223031120003
5244224412312
622235310031
73415052410
oct1053153003
9333772721
10145544707
1175179990
12408ab317
13241cc039
1415489107
15cb9e557
hex8acd603

145544707 has 16 divisors (see below), whose sum is σ = 187718400. Its totient is φ = 109499040.

The previous prime is 145544683. The next prime is 145544767. The reversal of 145544707 is 707445541.

It is not a de Polignac number, because 145544707 - 223 = 137156099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145544767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30357 + ... + 34822.

It is an arithmetic number, because the mean of its divisors is an integer number (11732400).

Almost surely, 2145544707 is an apocalyptic number.

145544707 is a deficient number, since it is larger than the sum of its proper divisors (42173693).

145544707 is a wasteful number, since it uses less digits than its factorization.

145544707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65226.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 145544707 is about 12064.1911042556. The cubic root of 145544707 is about 526.0158194725.

The spelling of 145544707 in words is "one hundred forty-five million, five hundred forty-four thousand, seven hundred seven".

Divisors: 1 7 11 29 77 203 319 2233 65179 456253 716969 1890191 5018783 13231337 20792101 145544707