Search a number
-
+
145788404 = 2243847607
BaseRepresentation
bin10001011000010…
…00110111110100
3101011022211002112
420230020313310
5244310212104
622244430152
73420116036
oct1054106764
9334284075
10145788404
1175325a93
12409a8358
1324285c38
141550dc56
15cbeb86e
hex8b08df4

145788404 has 12 divisors (see below), whose sum is σ = 261063264. Its totient is φ = 71198904.

The previous prime is 145788397. The next prime is 145788427. The reversal of 145788404 is 404887541.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423632 + ... + 423975.

It is an arithmetic number, because the mean of its divisors is an integer number (21755272).

Almost surely, 2145788404 is an apocalyptic number.

It is an amenable number.

145788404 is a deficient number, since it is larger than the sum of its proper divisors (115274860).

145788404 is a wasteful number, since it uses less digits than its factorization.

145788404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847654 (or 847652 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 145788404 is about 12074.2868940571. The cubic root of 145788404 is about 526.3092390476.

The spelling of 145788404 in words is "one hundred forty-five million, seven hundred eighty-eight thousand, four hundred four".

Divisors: 1 2 4 43 86 172 847607 1695214 3390428 36447101 72894202 145788404